Home / 17,587.19-26,385.45-5,108.38

Finding the Fourth Proportional to 17,587.19, 26,385.45 and 5,108.38

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Solution

The fourth proportional to 17,587.19, 26,385.45 and 5,108.38 is: 7,663.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,587.19 : 26,385.45 = 5,108.38 : x
  2. Step 2: Convert to fraction form
    17,587.19/26,385.45 = 5,108.38/x
  3. Step 3: Cross multiply
    17,587.19x = 26,385.45 × 5,108.38
  4. Step 4: Simplify right side
    17,587.19x = 134,786,968.37
  5. Step 5: Solve for x
    x = 134,786,968.37/17,587.19
  6. Step 6: Final answer
    x = 7,663.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.